2011 MERCEDES-BENZ R-Class wheel size

Tire pressure monitoring systemFunction/notes ............................. 327
Restarting ...................................... 329
Tires
Aspect ratio (definition) .................342
Average weight of the vehicle
occupants (definition) ....................340
Bar (definition) ............................... 340
Characteristics .............................. 340
Checking ........................................ 321
Cleaning ......................................... 322
Definition of terms .........................340
Direction of rotation ......................334
Distribution of the vehicle
occupants (definition) ....................343
DOT, Tire Identification Number
(TIN) ............................................... 339
DOT (Department of
Transportation) (definition) ............340
Flat tire .......................................... 296
GAWR (Gross Axle Weight Rating)
(definition) ..................................... 341
GTW (Gross Trailer Weight)
(definition) ..................................... 341
Guidelines to be observed .............321
GVW (Gross Vehicle Weight)
(definition) ..................................... 341
GVWR (Gross Vehicle Weight
Rating) (definition) .........................341
Increased vehicle weight due to
optional equipment (definition) ......340
Kilopascal (kPa) (definition) ...........341
Labeling (overview) ........................336
Load bearing index (definition) ......342
Load index ..................................... 339
Load index (definition) ...................341
Maximum loaded vehicle weight
(definition) ..................................... 341
Maximum load on a tire
(definition) ..................................... 342
Maximum permissible tire
pressure (definition) ....................... 341
Maximum tire load .........................334
Maximum tire loading (definition) ..341
Optional equipment weight
(definition) ..................................... 342
PSI (pounds per square inch)
(definition) ..................................... 342Replacing ....................................... 336
Service life ..................................... 321
Sidewall (definition) .......................342
Speed index (definition) .................341
Storing ........................................... 322
Structure and characteristics
(definition) ..................................... 340
Temperature .................................. 335
TIN (Tire Identification Number)
(definition) ..................................... 342
Tire bead (definition) ......................342
Tire pressure (definition) ................342
Tire pressures (recommended) ......340
Tire quality classes ........................334
Tire size (data) ............................... 343
Tire size designation, load-bearing
capacity, speed index ....................337
Tire tread ....................................... 321
Tire tread (definition) .....................342
Total load limit (definition) .............343
Traction ......................................... 335
Traction (definition) .......................342
Tread wear ..................................... 335
TWR (permissible trailer drawbar
noseweight) (definition) .................342
Uniform tire quality classification
standards (definition) .....................340
Unladen weight (definition) ............341
Wear indicator (definition) .............342
Wheel rim (definition) ....................341
Tires and wheels (important safety
information) ....................................... 320
Top Tether ............................................ 63
Towing Important safety guidelines ...........313
Towing a trailer
Driving tips .................................... 193
Towing away
Installing the towing eye ................313
Removing the towing eye ...............314
Trailer
Coupling up ................................... 193
Decoupling ..................................... 195
Display message ............................ 221
Power supply ................................. 196
Towing ........................................... 194
Trailer loads and drawbar
noseweights ...................................... 19616IndexBA 251 USA, CA Edition A 2011; 1; 3, en-USd2sboikeVersion: 3.0.3.52010-04-16T14:31:55+02:00 - Seite 16

Trailer towing .................................... 158
Blind Spot Assist ............................ 193
ESP ®
................................................ 70
PARKTRONIC ................................. 188
Transfer case ..................................... 160
Transmission position display ......... 156
Transmission positions .................... 157
Trip computer (on-board
computer) .......................................... 210
Trip odometer Calling up ....................................... 202
Resetting (on-board computer) ......211
Trunk
Automatic opening ..................... 84, 85
Turn signal (display message) ......... 221
Turn signals ....................................... 119
TWR (permissible trailer drawbar
noseweight) (definition) ................... 342
Type plate see Vehicle identification plate
U
Unlocking Emergency unlocking .......................82
From inside the vehicle (central
unlocking button) ............................. 81
V
Vanity mirror Sun visor ........................................ 262
Vehicle
Data acquisition ............................... 23
Emergency release ..........................82
Equipment ....................................... 19
Exterior view .................................... 26
Individual settings (on-board
computer) ...................................... 205
Loading .......................................... 330
Lowering ........................................ 306
Maintenance .................................... 20
Parking up ..................................... 168
Raising ........................................... 303
Reporting problems .........................22
Towing away .................................. 313
Transporting .................................. 315
Vehicle data
see Technical data
Vehicle identification number
see VIN
Vehicle identification plate .............. 349
Vehicle level (display message) ....... 228
Vehicle tool kit .................................. 294
Video (DVD) ........................................ 204
Video DVD (on-board computer) ...... 204
VIN ...................................................... 349
W
Warning and indicator lamps Overview .......................................... 29
PASSENGER AIRBAG OFF
indicator lamp (only Canada) ...........48
PASSENGER AIRBAG OFF
indicator lamp (only USA) ................42
Warranty ............................................ 348
Wheel bolt tightening torque ........... 306
Wheel chock ...................................... 302
Wheels Changing/replacing .......................336
Changing a wheel .......................... 301
Checking ........................................ 321
Cleaning ......................................... 285
Guidelines to be observed .............321
Mounting a wheel .......................... 304
Removing a wheel ..........................304
Tightening torque ........................... 306
Wheel size/tire size .......................343
Window curtain air bag ....................... 41
Windows see Side windows
Windows (cleaning instructions) ..... 286
Windshield Defrosting ...................................... 142
Infrared reflective .......................... 276
Windshield washer fluid (display
message) ............................................ 234
Windshield washer system Adding washer fluid .......................281
Notes ............................................. 357
Windshield wipers
Important safety notes ..................126
Replacing the wiper blades ....127, 128
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Children in the vehicle
Important safety guidelines
GWarning
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unattended in the
vehicle, even if they are secured in a child
restraint system, or with access to an
unlocked vehicle. A child's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. The children
could:
R injure themselves on parts of the vehicle
R be seriously or fatally injured through
excessive exposure to extreme heat or cold
R injure themselves or cause an accident with
vehicle equipment that can be operated
even if the SmartKey is removed from the
ignition lock or removed from the vehicle,
such as seat adjustment, steering wheel
adjustment, or the memory function
If children open a door, they could injure other
persons or get out of the vehicle and injure
themselves or be injured by following traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very
hot, and the child could be burned on these
parts.
GWarning!
Do not carry heavy or hard objects in the
passenger compartment or trunk unless they
are firmly secured in place.
Unsecured or improperly positioned cargo
increases a child's risk of injury in the event
of
R strong braking maneuvers
R sudden changes of direction
R an accident
If an infant or child is traveling in the vehicle:XSecure the child using an infant or child
restraint system appropriate to the age and
weight of the child.XMake sure that the infant or child is
properly secured at all times while the
vehicle is in motion.
Child restraint systems
Important safety guidelines
GWarning
Observe "Important safety instructions"
( Y page 59).
We recommend all infants and children be
properly restrained using the child restraint
systems at all times while the vehicle is in
motion.
The use of infant or child restraints is required
by law in all 50 states, the District of
Columbia, the U.S. territories and all
Canadian provinces.
Infants and small children should always be
seated in an infant or child seat restraint
system appropriate for the size and weight of
the child. They must be properly secured in
accordance with the manufacturer's
installation instructions for the infant or child
seat restraint system. All infant and child seat
restraint systems must comply with the US
Federal Motor Vehicle Safety Standards 213
and 225 and Canadian Motor Vehicle Safety
Standards 213 and 210.2.
A statement by the child restraint
manufacturer of compliance with these
standards can be found on the instruction
label on the restraint system. You will also
find the statement in the instruction manual
provided with the child restraint system.
When using any infant restraint, child
restraint or booster seat, make sure to
carefully read and follow all manufacturer's
instructions for installation and use.
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GWarning
Never switch off the ESP®
when you see the
d warning lamp flashing in the instrument
cluster. In this case proceed as follows:
R When driving off, apply as little throttle as
possible.
R While driving, ease up on the accelerator
pedal.
R Adapt your speed and driving style to the
prevailing road conditions.
Failure to observe these guidelines could
cause the vehicle to skid. The ESP ®
cannot
prevent accidents resulting from excessive
speed.
! Only operate the vehicle for a maximum
of ten seconds on a brake test
dynamometer. Switch off the ignition.
Application of the brakes by ESP ®
may
otherwise destroy the brake system.
! Function or performance tests may only
be performed on a 2-axle dynamometer. If
you wish to operate the vehicle on such a
dynamometer, please consult an
authorized Mercedes-Benz Center
beforehand. You could otherwise damage
the drive train or the brake system.
i Only use wheels with the recommended
tire sizes. Only then will ESP ®
function
properly.
4ETS (Electronic Traction System)
GWarning
Observe "Important safety instructions"
( Y page 67).
Traction control is part of ESP ®
.
Traction control brakes the drive wheels
individually if they spin. This enables you to
pull away and accelerate on slippery surfaces,
for example if the road surface is slippery on
one side. In addition, more drive torque is
transferred to the wheel or wheels with
traction.
Traction control remains active, even if you
deactivate ESP ®
.
Deactivating/activating ESP ®GWarning
The ESP
®
should not be switched off during
normal driving other than in the
circumstances described below. Disabling
the system will reduce vehicle stability in
driving maneuvers.
Do not switch off the ESP ®
when a spare
wheel is mounted.
ESP ®
is activated automatically when the
engine is running.
It may be best to deactivate ESP ®
in the
following situations:
R when using snow chains
R in deep snow
R on sand or gravel
GWarning!
Activate ESP ®
as soon as the situations
described above no longer apply. ESP ®
will
otherwise not be able to stabilize the vehicle
if the vehicle starts to skid or a wheel starts
to spin.
When you deactivate ESP ®
:
R ESP ®
no longer improves driving stability.
R the engine's torque is no longer limited and
the drive wheels can spin. The spinning of
the wheels results in a cutting action, which
provides better grip.
R traction control is still activated.
R ESP ®
still provides support when you
brake.
If ESP ®
is deactivated and one or more wheels
start to spin, the d warning lamp in the
instrument cluster flashes. In such situations,
ESP ®
will not stabilize the vehicle.
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Seats
Important safety guidelines
GWarning
In order to avoid possible loss of vehicle
control, all seat, head restraint, steering
wheel and rear view mirror adjustments, as
well as fastening of seat belts, must be done
before setting the vehicle in motion.
GWarning
Do not adjust the driver's seat while driving.
Adjusting the seat while driving could cause
the driver to lose control of the vehicle.
Never travel in a moving vehicle with the seat
backrest in an excessively reclined position as
this can be dangerous. You could slide under
the seat belt in a collision. If you slide under
it, the seat belt would apply force at the
abdomen or neck. This could cause serious or
fatal injuries. The seat backrest and seat belts
provide the best restraint when the wearer is
in a position that is as upright as possible and
seat belts are properly positioned on the
body.
GWarning
Your seat belt must be adjusted so that you
can correctly fasten your seat belt.
Observe the following points:
R adjust the seat backrest until your arms are
slightly angled when holding the steering
wheel.
R adjust the seat to a comfortable seating
position that still allows you to reach the
accelerator/brake pedal safely. The
position should be as far back as possible
with the driver still able to operate the
controls properly.
R adjust the head restraint so that it is as
close to the head as possible and the center
of the head restraint supports the back of
the head at eye level.
R never place hands under the seat or near
any moving parts while a seat is being
adjusted.
Failure to do so could result in an accident
and/or serious personal injury.GWarning
The electrically adjustable seats can be
operated at any time. Therefore, do not leave
children unattended in the vehicle, or with
access to an unlocked vehicle. A child's
unsupervised access to a vehicle could result
in an accident and/or serious personal injury.
GWarning!
According to accident statistics, children are
safer when properly restrained in the rear
seating positions than in the front seating
position. Thus, we strongly recommend that
children be placed in the rear seats whenever
possible. Regardless of seating position,
children 12 years old and under must be
seated and properly secured in an
appropriately sized infant restraint, toddler
restraint, or booster seat recommended for
the size and weight of the child. For additional
information, see "Children in the vehicle".
A child's risk of serious or fatal injuries is
significantly increased if the child restraints
are not properly secured in the vehicle and/
or the child is not properly secured in the child
restraint.
GWarning
For your protection, drive only with properly
positioned head restraints.
Adjust the head restraint so that it is as close
to the head as possible and the center of the
head restraint supports the back of the head
at eye level. This will reduce the potential for
injury to the head and neck in the event of an
accident or similar situation.
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Driving systemsProblemPossible causes/consequences and M Solutions·
The red DTR distance
warning lamp lights up
while the vehicle is in
motion. A warning tone
also sounds.GRisk of accident
A warning is issued if:
R you are approaching a vehicle in front at too great a speed
R DISTRONIC has detected a stationary obstacle in your line of
travel
XBe prepared to brake immediately.XPay careful attention to the traffic situation. You may have to
brake or take evasive action.
Tires
ProblemPossible causes/consequences and M Solutionsh
USA only:
The yellow combination
low tire pressure
telltale/TPMS
malfunction telltale for
the TPMS is on.GRisk of accident
The TPMS has detected a loss of pressure in at least one of the
tires.
XStop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.XObserve the additional display messages in the multifunction
display.XCheck the tire pressure. If necessary, correct the tire pressure
( Y page 327).XIf necessary, change a wheel ( Y page 336).h
USA only:
The yellow combination
low tire pressure
telltale/TPMS
malfunction telltale for
the TPMS flashes for 60
seconds and then
remains illuminated.The TPMS is faulty.XObserve the additional display messages in the multifunction
display.XVisit a qualified specialist workshop.GWarning
Each tire, including the spare (if provided), should be checked every other week when cold and
inflated to the inflation pressure recommended by the vehicle manufacturer on the Tire and
Loading Information placard on the driver's door B-pillar or, if available, the tire inflation pressure
label on the inside of the fuel filler flap. If your vehicle has tires of a different size than the size
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TIREFIT kit version 1
XTo reduce the tire pressure (version 1):
open pressure release screw F on
pressure gauge G.
TIREFIT kit version 2
EPressure release buttonFPressure gaugeXTo reduce the tire pressure (version 2):
press pressure release button E on the
filler hose.
XStow the TIREFIT kit and the electric air
pump.
XDrive to the nearest workshop and have the
tire changed there.
XHave the TIREFIT kit replaced as soon as
possible at a qualified specialist workshop,
e.g. at an authorized Mercedes-Benz
Center.
HEnvironmental note
Have the used TIREFIT kit disposed of
professionally, e.g. at an authorized
Mercedes-Benz Center.
XHave the TIREFIT kit replaced every four
years at a qualified specialist workshop,
e.g. an authorized Mercedes-Benz Center.
Changing a wheel and mounting the
spare tire
Preparing the vehicle
GWarning!
The wheel and tire size of the emergency
spare wheel/spare wheel may differ to that of
the damaged wheel. When using an
emergency spare wheel/spare wheel the
handling characteristics of the vehicle may
change.
Adapt your style of driving accordingly.
Never operate the vehicle with more than one
emergency spare wheel/spare wheel that
differs in size.
Only use an emergency spare wheel/spare
wheel of a differing size briefly and do not
switch off ESP®.
When using an emergency spare wheel, you
must not exceed a maximum speed of 50 mph
(80 km/h).
GWarning!
Have the emergency spare wheel/spare
wheel replaced with a new wheel as soon as
possible at a qualified specialist workshop
which has the necessary specialist knowledge
and tools to carry out the work required.
Mercedes-Benz recommends that you use an
authorized Mercedes-Benz Center for this
purpose. In particular, work relevant to safety
or on safety-related systems must be carried
out at a qualified specialist workshop.
iVehicles without an emergency spare
wheel/spare wheel are not equipped with
wheel-changing tools at the factory. For
more information on which tools are
required to perform a wheel change on your
vehicle, e.g. wheel chock, alignment bolt or
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XPlace the ratchet ring spanner onto the
hexagon nut of the jack so that the letters
AB are visible.XTurn the ratchet ring spanner until the
vehicle is once again standing firmly on the
ground.XPlace the jack to one side.XTighten the wheel bolts evenly in a
crosswise pattern in the sequence
indicated ( : to A). The tightening torque
must be 110 lb/ft (150 Nm) .GWarning
Have the tightening torque checked
immediately after a wheel is changed. The
wheels could come loose if they are not
tightened to a torque of 110 lb/ft
(150 Nm) .
XTurn the jack back to its initial position and
store it together with the rest of the vehicle
tool kit in the cargo compartment.XTransport the faulty wheel in the cargo
compartment.
or
XDepending on the size of the wheel, you
may also be able to secure the faulty wheel
in the emergency spare wheel well. In this
case, you must remove the stowage tray
from the emergency spare wheel well and
store it securely in the cargo compartment.
Further information on stowing the
collapsible spare wheel ( Y page 295).
i
When you are driving with the collapsible
spare wheel mounted, the tire pressure
loss warning system or the tire pressure
monitor cannot function reliably. Only
restart the tire pressure loss warning
system/tire pressure monitor when the
defective wheel has been replaced with a
new wheel.
Vehicles with tire pressure monitor: all
mounted wheels must be equipped with
functioning sensors and the defective
wheel should no longer be in the vehicle.
MOExtended run-flat system
The MOExtended run-flat system allows you
to drive on even if there is a complete loss of
pressure in one or more tires.
The MOExtended run-flat system may only be
used in conjunction with the activated tire
pressure loss warning system or with the
activated tire pressure monitor.
The maximum permissible distance which
can be driven in run-flat mode depends on the
cargo in the vehicle. You can drive 50 miles
(80 km) if the vehicle is partially laden and
18 miles (30 km) if it is fully laden.
The maximum permissible distance which
can be driven in run-flat mode is counted from
the moment the tire pressure loss warning
appears in the multifunction display.
You must not exceed a maximum speed of
50 mph(80 km/h).
GWarning!
The handling characteristics of your vehicle
deteriorate in run-flat mode, for example:
R when cornering
R when braking
R when accelerating rapidly
Adapt your driving style accordingly and avoid
sudden changes in direction and sudden
acceleration, as well as driving over obstacles
(i.e. curbs, potholes), and driving off-road.
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